The straight shank drill is held in the main
spindle of drilling machine by..............
A floating holder
B collet
C chuck
D sleeve

The distance a drill advanced into the work
for each revolution is called the............
speed of a drill
depth of a drill
feed of a drill
cutting speed of a drill

What coolant is used for drilling the
aluminium job?
Dry air
Kerosene
Soluble oil
Mineral oil

After threading a hole by a tap, it was found
that the crest of thread was not formed
completely, this defect is due to...........
A insufficient coolant supply
B broken tip of cutting edge of the tap
C hole size slightly less than the tap drill size
D hole size slightly more than the tap drill size

The part of the reamer which allows the
chips to pass and admit the coolant to the
cutting edge is called..........
tang
land
neck
flute

The property of metal by virtue of which they
can be rolled into their sheet without
breaking is called....................
A ductility
B malleability
C toughness
D tenacity

Feeler gauges are used to check
the..................
radii of the given component
gap between the mating parts
particular standard thread pitch
precision length measurement

The most commonly used size of the vernier
height gauge is stated by the height of the
beam is.................
A 275 mm
B 300 mm
C 325 mm
D 350 mm

Three square scraper is used for
scarping.....
A large diameter holes
B bearing surfaces
C small diameter holes
,D large flat surfaces

What is the drill point angle for general
purpose?
118°
B 112°
C 110°
D 108°

The difference between the maximum limit of
size and the minimum limit of size is
called.......
A upper deviation
B lower deviation
C tolerance
D actual size